Roberto Martinez has come out to highlight the fact that Everton will not be willing to sell Ross Barkley despite how well he does at the World Cup in Brazil, Mirror reports.

Chelsea are believed to be monitoring the Toffees’ young star who is valued by the club at £30-million, but it is still looking unlikely that any deal will be struck even if Jose Mourinho made the funds available.

The manager claims that Barkley is training with the most suitable side and that his development should be done at Goodison Park rather than elsewhere.

“Ross is a phenomenal talent, probably the best English talent I have ever seen, but he is not the finished article yet and you need to be very careful.

“It’s our duty to protect him and I know Everton is the perfect place for him for the next 12 months.

“In football, obviously you can never speak about the future. Obviously we need to come along and try to get into the top four positions to offer players like Ross the next stage of their development.

“But Ross is delighted at Everton and feels very much in the right place at the right time of his career.”